error: encountered duplicate `#[repr(uN)]` parameter: duplicate set to #[repr(u32)] --> $DIR/duplicate-repr-2.rs:5:28 | 5 | #[cfg_attr(not(test), repr(u32))] | ^^^ error: previous `#[repr(uN)]` parameter here --> $DIR/duplicate-repr-2.rs:4:28 | 4 | #[cfg_attr(not(test), repr(u32))] | ^^^